Credits to the ungoogled-chromium project [0] for the patch [1] which is also used in Bromite since 15 February 2018 to prevent this type of leaks; see also my reply here: [2]

[0]: https://github.com/Eloston/ungoogled-chromium

[1]: https://github.com/bromite/bromite/blob/79.0.3945.139/build/...

[2]: https://github.com/bromite/bromite/issues/480#issuecomment-5...